What is the expression (5 + 3)² - 6 equal to?

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To determine the value of the expression (5 + 3)² - 6, start by evaluating the expression inside the parentheses. Adding 5 and 3 gives you 8.

Next, square this result:

(5 + 3)² becomes 8², which equals 64.

Finally, subtract 6 from 64:

64 - 6 equals 58.

Thus, the expression (5 + 3)² - 6 evaluates to 58, making this the correct answer.